Pr/use battery

[arjunindia]

Hook description

• useBattery Hook - uses Navigator.getBattery() to get device battery status.

Valid use-case for the hook

• A full-screen immersive video player which can show a minimal battery status indicator instead of user having to check manually

Checklist

• [x] Have you read the contribution guidelines?
• [x] If you are porting a hook from react-use, have you checked #33 and the migration guide to confirm that the hook has been approved for porting?
• [x] Does the code have comments in hard-to-understand areas?
• [ ] Is there an existing issue for this PR?
  • link issue here
• [x] Have the files been linted and formatted?
• [x] Have the docs been updated?
• [x] Have you written tests for the new hook?
• [x] Have you run the tests locally to confirm they pass?